Mattress topper



FIG. 1 is a top plan view of a reversible mattress topper having a three zone pattern showing my new design;

FIG. 2 is a front elevational view of the mattress topper of FIG. 1, wherein the rear elevational view is a mirror image thereof;

FIG. 3 is a bottom plan view of the mattress topper of FIG. 1; and

FIG. 4 is a right end elevational view of the mattress topper of FIG. 1, wherein the left end elevational view is a mirror image thereof; and,

FIG. 5 is a enlarged fragmental perspective view of the mattress or mattress topper taken along line 5—5 of FIG. 1 and illustrating the three dimensional relief of the design. 

The ornamental design for a mattress topper, as shown and described. 